1.What yog cov ntsiab cai thiab muaj feem cuam tshuam nrog mem hluav hardness txoj kev?
Cov hauv paus ntsiab lus: siv xaum qhuav ntawm cov tawv tawv tawv (los ntawm cov txheej txheem nyuaj tshaj plaws (los ntawm cov txheej txheem loj tshaj plaws hauv qab qhov kev nyuaj siab, thiab txiav txim siab lub zog nyuaj los ntawm kev ua kom nruj.
Muaj feem xyuam nrog cov xim: Siv tau rau cov xim xim-txheej coils nrog nyias tuab (feem ntau tsawg dua los yog sib luag hauv tsev kho kom zoo nkauj rau kev kho kom zoo nkauj. Nws yog qhov feem ntau siv cov qauv saib sai hauv kev lag luam.
2.Qhov cov ntsiab cai thiab cov xwm txheej muaj feem ntawm tus qauv ntawm ntug dej Hardness?
Lub hauv paus ntsiab lus: lub siab rab koob ntawm cov tawv tawv teser nkag mus ua ob hom kev nkag mus rau hauv ib qho siab, thiab cov khoom siv muag) thiab ntug dej D (tawv).
Muaj feem xyuam nrog cov xwm txheej: Tsim nyog rau tuab (feem ntau> 50μm) lossis ntau dua el
3.Qhov yog qhov xwm txheej uas muaj feem xyuam rau Knoop Hardness Ntsuas thiab Vickers Hardness Test?
Lub hauv paus ntsiab lus: Ob leeg yog ntsuas microhardness microhardness microardness. Pob zeb diamond indentters yog siv los indent txheej txheej deg nyob rau hauv ib qho kev thauj khoom tshwj xeeb, ntsuas cov kab pheeb ces kaum, thiab laij cov nqi tawv ncauj (Chav: HK lossis HV).
Knoop Hardness: Tus Indenter yog lub pob zeb diamond-puab cov plaub ntug, thiab qhov indentation yog slender yog slender yog slender yog slender, haum rau nyias txheej (<20μm), with little damage to the coating;
Vickers Hardness: Tus neeg sab nrauv yog plaub fab plaub quadrangular, thiab qhov indentation yog symmetrical, haum rau nruab nrab-tuab txheej (20-100μm).
4.Yog cov ntsiab cai thiab cov xwm txheej uas muaj feem xyuam ntawm tus khub hardness?
Lub hauv paus ntsiab lus: Lub zog nyuaj yog kev ntsuas los ntawm lub zog lwj tus nqi ntawm cov pendulum thaum nws viav vias thaum nws viav vias ntawm cov txheej txheej. Hauv qab ntawm pendulum hu rau txheej. Qhov siab dua lub hardness, qeeb qeeb ntawm pendulum viav vias dai thiab lub sijhawm ntau nws viav vias.
Muaj feem xyuam nrog cov xwm txheej: Feem ntau yog siv los ntsuas qhov ua tau zoo ntawm kev elasticity thiab hardness ntawm txheej, zoo li cov xim tawv nqaij (xws li cov xim txheej txheem organic (xws li cov xim sab nrauv).
5.Qhov cov yam ntxwv sib txawv ntawm cov txheej txheem sib txawv li cas?
Mem hluav hardness txoj kev: kev ua haujlwm yooj yim, tus nqi qis, kev raug tshuaj zoo, kev ntsuas tsim nyog ntawm cov khawb
Taug Kev Hnyav Kuaj: Portable thiab Haum rau kev kuaj mob ceev ceev
Vickers / Knoop Hardness: Siab Precision, Ntau Lawm, Xav Tau Micreen Soj Ntsuam
Pendulum hardness txujci: xav txog cov kev ua tau zoo ntawm cov txheej elasticity thiab hardness